A passenger bus was struck in Kramatorsk, in the Donetsk region, officials said. Ukraine accused Russia of targeting the crowded bus in the frontline city to kill as many civilians as possible. Key points and original sources are listed below.

• A passenger bus was struck in Kramatorsk, in the Donetsk region, officials said.S1

• Ukraine accused Russia of targeting the crowded bus in the frontline city to kill as many civilians as possible.S2

• Authorities say 18 people also wounded after incident in Kramatorsk in country’s ‘fortess belt’Europe live – latest updatesThirty people have been killed after Russia struck two passenger buses in Kramatorsk, near the frontline in eastern Ukraine, according to...S3